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vo_gpu_next: request more frames to account for anti aliasing 

libplacebo requires additional frames when VPS is lower than FPS and
anti-aliasing is enabled. Supports up to a 1/4 ratio. VO has a limit of
10 frames, so in practice, not many more can fit.

Note that the internal libplacebo mixing limit is 16 frames.
This commit is contained in:
Kacper Michajłow 2023-11-14 09:21:08 +01:00 committed by Dudemanguy
parent c8a2f8eb7f
commit 4dcf2d1385
1 changed files with 8 additions and 4 deletions
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12
video/out/vo_gpu_next.c
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@ -1949,11 +1949,15 @@ static void update_render_options(struct vo *vo)
pars->params.plane_upscaler = map_scaler(p, SCALER_CSCALE);
pars->params.frame_mixer = opts->interpolation ? map_scaler(p, SCALER_TSCALE) : NULL;
// Request as many frames as required from the decoder
// Request as many frames as required from the decoder, depending on the
// speed VPS/FPS ratio libplacebo may need more frames. Request frames up to
// ratio of 1/4, but only if anti aliasing is enabled.
int req_frames = 2;
if (pars->params.frame_mixer)
req_frames += ceilf(pars->params.frame_mixer->kernel->radius);
vo_set_queue_params(vo, 0, req_frames);
if (pars->params.frame_mixer) {
req_frames += ceilf(pars->params.frame_mixer->kernel->radius) *
(pars->params.skip_anti_aliasing ? 1 : 4);
}
vo_set_queue_params(vo, 0, MPMIN(VO_MAX_REQ_FRAMES, req_frames));
pars->params.deband_params = opts->deband ? &pars->deband_params : NULL;
pars->deband_params.iterations = opts->deband_opts->iterations;